Toyota Venza: System Diagram

Toyota Venza Service Manual / Door Lock / Wireless Door Lock Control System(w/ Smart Key System) / System Diagram

SYSTEM DIAGRAM

Communication Table

Transmitting ECU (Transmitter)	Receiving ECU (Receiver)	Signal	Line
Certification ECU (Smart key ECU assembly)	Main body ECU (Driver side junction block assembly)	Wireless door lock signal	CAN
Main body ECU (Driver side junction block assembly)	Power Back Door ECU (Power Back door motor unit)1 Back Door Closer ECU (Multiplex Network Door ECU)2	Power Back door control signal	CAN

Transmitting ECU (Transmitter)

Receiving ECU (Receiver)

Signal

Line

Certification ECU

(Smart key ECU assembly)

Main body ECU

(Driver side junction block assembly)

Wireless door lock signal

CAN

Main body ECU

(Driver side junction block assembly)

Power Back Door ECU

(Power Back door motor unit)*1

Back Door Closer ECU

(Multiplex Network Door ECU)*2

Power Back door control signal

CAN

*1: w/ Power Back Door System
*2: w/o Power Back Door System

System Description

SYSTEM DESCRIPTION 1. WIRELESS DOOR LOCK CONTROL SYSTEM The wireless door lock control system can be used to lock and unlock all doors from a distance. The system is controlled by a door control t ...

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: The wireless door lock control system troubleshooting procedures are based on the premise that the power door lock control system is operating normally. ...

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Precaution
PRECAUTION NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected. System Name See Procedure Back Door Closer System ...

Inspection
INSPECTION PROCEDURE 1. INSPECT REAR SHOCK ABSORBER ASSEMBLY (a) Compress and extend the shock absorber rod 4 or more times. Standard: There is no abnormal resistance or sound and operation resistance is normal. ...

Main Body Ecu
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. REMOVE UPPER INSTRUMENT PANEL HINT: Refer to the procedure up to Remove Upper Instrument Panel Sub-assembly (See page ). 2. REMOVE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEM ...